// Copyright (C) 2021 THL A29 Limited, a Tencent company. All rights reserved.
//
// Licensed under the BSD 3-Clause License (the "License"); you may not use this
// file except in compliance with the License. You may obtain a copy of the
// License at
//
// https://opensource.org/licenses/BSD-3-Clause
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.

#include "flare/base/option/json_parser.h"

#include "jsoncpp/json.h"

namespace flare::option {

std::optional<Json::Value> JsonParser::TryParse(const std::string& str) {
  if (str.empty()) {  // Special case for empty default value.
    return Json::Value{};
  }
  Json::Value value;
  if (Json::Reader().parse(str, value)) {
    return value;
  }
  return std::nullopt;
}

}  // namespace flare::option
